| View previous topic :: View next topic |
| Author |
Message |
keith
Joined: 19 Sep 2005
Posts: 3355
Location: near Detroit, Michigan, USA
|
 Posted: Sat Jul 24, 2010 9:02 pm Post subject: Free Press Jul 23, 2010 |
 |
|
I have not yet looked at this one. | Code: | Puzzle: FP072310
+-------+-------+-------+
| . 7 6 | 9 4 . | 2 . . |
| . . . | . . . | . . . |
| 3 . . | . . . | 6 . 1 |
+-------+-------+-------+
| . 5 . | . 8 . | 1 . . |
| 6 . . | 3 . 5 | . . 7 |
| . . 4 | . 1 . | . 2 . |
+-------+-------+-------+
| 2 . 8 | . . . | . . 9 |
| . . . | . . . | . 5 . |
| . . 7 | . 9 4 | 3 6 . |
+-------+-------+-------+ |
Keith |
|
| Back to top |
|
 |
Marty R.
Joined: 12 Feb 2006
Posts: 5770
Location: Rochester, NY, USA
|
| Posted: Sat Jul 24, 2010 10:12 pm Post subject: |
|
|
| Quote: | ERs (4,4,9,4)
XY-Wing (389)
Four-cell XY-Chain |
After these moves I noticed that I made an earlier mistake by placing an excess candidate in a cell. Removing that candidate finished the puzzle, so I have no idea which of my moves were actually needed. |
|
| Back to top |
|
|
storm_norm
Joined: 18 Oct 2007
Posts: 1741
|
| Posted: Sat Jul 24, 2010 11:23 pm Post subject: |
|
|
| Quote: | x-wing 4
xy-wing 3,8,9
gets the grid to here |
| Code: | +---------------+---------------------+----------------+
| 18 7 6 | 9 4 138 | 2 38 5 |
| 148 (28) 5 | 12678 367 123678 | 9 378 348 |
| 3 (248) 9 | 2578 57 278 | 6 478 1 |
+---------------+---------------------+----------------+
| 79 5 2 | 4 8 679 | 1 39 36 |
| 6 9-8 1 | 3 2 5 | (48) 489 7 |
| 789 3 4 | 67 1 679 | 5 2 68 |
+---------------+---------------------+----------------+
| 2 6(4) 8 | 567 3567 367 | 7(4) 1 9 |
| 49 69 3 | 128 67 128 | 78 5 248 |
| 5 1 7 | 28 9 4 | 3 6 28 |
+---------------+---------------------+----------------+ |
the als version of the W-wing
(28)r23c2 = (4)r3c2 - (4)r7c2 = (4)r7c7 - (4=8)r5c7; r5c2 <> 8 |
|
| Back to top |
|
|
tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
|
| Posted: Sun Jul 25, 2010 2:12 pm Post subject: |
|
|
One stepper.............
| Quote: | | xy-wing -489 vertex (89)r5c2 and pseudocell (49)r78c2; r7c7<>4 |
Ted |
|
| Back to top |
|
|
tlanglet
Joined: 17 Oct 2007
Posts: 2468
Location: Northern California Foothills
|
| Posted: Sun Jul 25, 2010 2:17 pm Post subject: |
|
|
[quote="storm_norm"] | Quote: |
| Code: | +---------------+---------------------+----------------+
| 18 7 6 | 9 4 138 | 2 38 5 |
| 148 (28) 5 | 12678 367 123678 | 9 378 348 |
| 3 (248) 9 | 2578 57 278 | 6 478 1 |
+---------------+---------------------+----------------+
| 79 5 2 | 4 8 679 | 1 39 36 |
| 6 9-8 1 | 3 2 5 | (48) 489 7 |
| 789 3 4 | 67 1 679 | 5 2 68 |
+---------------+---------------------+----------------+
| 2 6(4) 8 | 567 3567 367 | 7(4) 1 9 |
| 49 69 3 | 128 67 128 | 78 5 248 |
| 5 1 7 | 28 9 4 | 3 6 28 |
+---------------+---------------------+----------------+ |
the als version of the W-wing
(28)r23c2 = (4)r3c2 - (4)r7c2 = (4)r7c7 - (4=8)r5c7; r5c2 <> 8 |
Nice observation Norm.
Ted |
|
| Back to top |
|
|
|
FAQ
Search
Memberlist
Usergroups
Register
Profile
Log in to check your private messages
Log in
